N20 9 postcode sector in the N20 district

N20 9 is a sector of the N20 district: every postcode that starts N20 9. It has 141 postcodes in use, 3 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the N20 9 sector, by flood risk

Map of every postcode in the N20 9 sector, by flood risk Of the 141 postcodes in the N20 9 sector that ONS places, 141 are not on the Environment Agency's at-risk list. Places named: Whetstone, Barnet Vale. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. N20 9AA: not on the flood risk listN20 9AB: not on the flood risk listN20 9AE: not on the flood risk listN20 9AG: not on the flood risk listN20 9AH: not on the flood risk listN20 9AL: not on the flood risk listN20 9AN: not on the flood risk listN20 9AQ: not on the flood risk listN20 9AR: not on the flood risk listN20 9AS: not on the flood risk listN20 9AT: not on the flood risk listN20 9AU: not on the flood risk listN20 9AW: not on the flood risk listN20 9AX: not on the flood risk listN20 9AZ: not on the flood risk listN20 9BA: not on the flood risk listN20 9BB: not on the flood risk listN20 9BD: not on the flood risk listN20 9BE: not on the flood risk listN20 9BF: not on the flood risk listN20 9BH: not on the flood risk listN20 9BL: not on the flood risk listN20 9BN: not on the flood risk listN20 9BP: not on the flood risk listN20 9BS: not on the flood risk listN20 9BT: not on the flood risk listN20 9BU: not on the flood risk listN20 9BW: not on the flood risk listN20 9BX: not on the flood risk listN20 9BZ: not on the flood risk listN20 9DA: not on the flood risk listN20 9DB: not on the flood risk listN20 9DD: not on the flood risk listN20 9DE: not on the flood risk listN20 9DF: not on the flood risk listN20 9DG: not on the flood risk listN20 9DH: not on the flood risk listN20 9DJ: not on the flood risk listN20 9DL: not on the flood risk listN20 9DN: not on the flood risk listN20 9DP: not on the flood risk listN20 9DT: not on the flood risk listN20 9DX: not on the flood risk listN20 9DZ: not on the flood risk listN20 9EA: not on the flood risk listN20 9EB: not on the flood risk listN20 9ED: not on the flood risk listN20 9EE: not on the flood risk listN20 9EF: not on the flood risk listN20 9EG: not on the flood risk listN20 9EH: not on the flood risk listN20 9EJ: not on the flood risk listN20 9EL: not on the flood risk listN20 9EN: not on the flood risk listN20 9ER: not on the flood risk listN20 9ES: not on the flood risk listN20 9ET: not on the flood risk listN20 9EU: not on the flood risk listN20 9EW: not on the flood risk listN20 9EX: not on the flood risk listN20 9EZ: not on the flood risk listN20 9FA: not on the flood risk listN20 9FB: not on the flood risk listN20 9FD: not on the flood risk listN20 9FE: not on the flood risk listN20 9FF: not on the flood risk listN20 9FG: not on the flood risk listN20 9FH: not on the flood risk listN20 9FJ: not on the flood risk listN20 9FL: not on the flood risk listN20 9FN: not on the flood risk listN20 9GP: not on the flood risk listN20 9HA: not on the flood risk listN20 9HB: not on the flood risk listN20 9HD: not on the flood risk listN20 9HE: not on the flood risk listN20 9HG: not on the flood risk listN20 9HH: not on the flood risk listN20 9HJ: not on the flood risk listN20 9HP: not on the flood risk listN20 9HQ: not on the flood risk listN20 9HR: not on the flood risk listN20 9HS: not on the flood risk listN20 9HX: not on the flood risk listN20 9JA: not on the flood risk listN20 9JB: not on the flood risk listN20 9JD: not on the flood risk listN20 9JE: not on the flood risk listN20 9JG: not on the flood risk listN20 9JH: not on the flood risk listN20 9JJ: not on the flood risk listN20 9JL: not on the flood risk listN20 9JN: not on the flood risk listN20 9JP: not on the flood risk listN20 9JR: not on the flood risk listN20 9JS: not on the flood risk listN20 9JT: not on the flood risk listN20 9JU: not on the flood risk listN20 9JW: not on the flood risk listN20 9JX: not on the flood risk listN20 9LB: not on the flood risk listN20 9LD: not on the flood risk listN20 9LG: not on the flood risk listN20 9LH: not on the flood risk listN20 9LJ: not on the flood risk listN20 9LL: not on the flood risk listN20 9LN: not on the flood risk listN20 9LZ: not on the flood risk listN20 9NH: not on the flood risk listN20 9PF: not on the flood risk listN20 9PH: not on the flood risk listN20 9PJ: not on the flood risk listN20 9PL: not on the flood risk listN20 9PN: not on the flood risk listN20 9PP: not on the flood risk listN20 9PQ: not on the flood risk listN20 9PR: not on the flood risk listN20 9PS: not on the flood risk listN20 9PT: not on the flood risk listN20 9PU: not on the flood risk listN20 9PW: not on the flood risk listN20 9PX: not on the flood risk listN20 9QA: not on the flood risk listN20 9QB: not on the flood risk listN20 9QD: not on the flood risk listN20 9QE: not on the flood risk listN20 9QG: not on the flood risk listN20 9QH: not on the flood risk listN20 9QJ: not on the flood risk listN20 9QL: not on the flood risk listN20 9QP: not on the flood risk listN20 9QT: not on the flood risk listN20 9QU: not on the flood risk listN20 9QX: not on the flood risk listN20 9RA: not on the flood risk listN20 9RN: not on the flood risk listN20 9RP: not on the flood risk listN20 9RR: not on the flood risk listN20 9RS: not on the flood risk listN20 9RT: not on the flood risk listN20 9RW: not on the flood risk list WhetstoneBarnet Vale Map of every postcode in the N20 9 sector, by flood risk Of the 141 postcodes in the N20 9 sector that ONS places, 141 are not on the Environment Agency's at-risk list. Places named: Whetstone, Barnet Vale. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. WhetstoneBarnet Vale
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 141

Of the 141 postcodes in the N20 9 sector that ONS places, 141 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Names in italics are council wards: we hold no town or village names here.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

What do homes sell for in N20 9?

Homes in N20 9 sold for a typical £659,000 in the 12 months to August 2026, across 55 sales, down 11.2% on the 12 months before, HM Land Registry's figures show.

£659,000 typical price, the 12 months to August 2026
£742,500 12 months to August 2025
▼ down 11.2% on the 12 months before
  • Detached £2,350,000 5 sales
  • Semi-detached £1,105,000 18 sales
  • Terraced 3 sales, too few to price
  • Flat or maisonette £412,000 29 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start N20 9. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in N20 9

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

N20 9AAN20 9ABN20 9AEN20 9AGN20 9AHN20 9ALN20 9ANN20 9AQN20 9ARN20 9ASN20 9ATN20 9AUN20 9AWN20 9AXN20 9AZN20 9BAN20 9BBN20 9BDN20 9BEN20 9BFN20 9BHN20 9BLN20 9BNN20 9BPN20 9BSN20 9BTN20 9BUN20 9BWN20 9BXN20 9BZN20 9DAN20 9DBN20 9DDN20 9DEN20 9DFN20 9DGN20 9DHN20 9DJN20 9DLN20 9DNN20 9DPN20 9DTN20 9DXN20 9DZN20 9EAN20 9EBN20 9EDN20 9EEN20 9EFN20 9EGN20 9EHN20 9EJN20 9ELN20 9ENN20 9ERN20 9ESN20 9ETN20 9EUN20 9EWN20 9EXN20 9EZN20 9FAN20 9FBN20 9FDN20 9FEN20 9FFN20 9FGN20 9FHN20 9FJN20 9FLN20 9FNN20 9GPN20 9HAN20 9HBN20 9HDN20 9HEN20 9HGN20 9HHN20 9HJN20 9HPN20 9HQN20 9HRN20 9HSN20 9HXN20 9JAN20 9JBN20 9JDN20 9JEN20 9JGN20 9JHN20 9JJN20 9JLN20 9JNN20 9JPN20 9JRN20 9JSN20 9JTN20 9JUN20 9JWN20 9JXN20 9LBN20 9LDN20 9LGN20 9LHN20 9LJN20 9LLN20 9LNN20 9LZN20 9NHN20 9PFN20 9PHN20 9PJN20 9PLN20 9PNN20 9PPN20 9PQN20 9PRN20 9PSN20 9PTN20 9PUN20 9PWN20 9PXN20 9QAN20 9QBN20 9QDN20 9QEN20 9QGN20 9QHN20 9QJN20 9QLN20 9QPN20 9QTN20 9QUN20 9QXN20 9RAN20 9RNN20 9RPN20 9RRN20 9RSN20 9RTN20 9RW

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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